Local Forecast

Great Falls, VA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Great Falls, VA.

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 4:55 PM EDTSaturday 4:55 PM

°F °C
Regional Observations →
77°F

Partly Cloudy

  • 82° / 68° High / Low
  • 77° Feels Like
  • 0% Chance of Rain

Wind

3 mph

NNE

UV Index

7

High

Humidity

89%

Dew 73°F

Sun

5:45 AM · 8:38 PM

Rise · Set

Source: LEESBURG/GODFREY (KJYO). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Today

82° 68°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Today

A chance of showers and thunderstorms. Cloudy, with a high near 81. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 9pm, then scattered showers and thunderstorms between 9pm and midnight, then patchy fog and scattered rain showers. Mostly cloudy, with a low around 68. Southeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

82° 68°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Sunday

Patchy fog and scattered rain showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 82. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Night

Scattered showers and thunderstorms before 11pm, then patchy fog. Mostly cloudy, with a low around 68. East wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday

86° 68°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Patchy fog before 8am. Mostly sunny, with a high near 85. East wind 1 to 6 mph.

Night

Mostly clear, with a low around 67.

Tuesday

91° 73°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Tuesday

Sunny, with a high near 90.

Night

Mostly clear, with a low around 72.

Wednesday

96° 77°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 97.

Night

Mostly clear, with a low around 77.

Great Falls, VA Weather Analysis Tools